The Wristwatch Field Guide

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IO

26420IO.OO.A009CA.01

The Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IO is a current-production integrated bracelet watch with a titanium (grade undisclosed) case, finished with satin-brushed and polished; grey ceramic bezel. The caseback is open, so the movement is visible.

All Audemars Piguet watchesExotic-material integrated bracelet watchesTitaniumDisplay backChronograph
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
100 m
Reference
26420IO.OO.A009CA.01
Type
Integrated bracelet
Price
– · Price on request
Case diameter
43.0 mm
Thickness
14.4 mm
Origin
Switzerland
Movement
Automatic (flyback chronograph)
Caliber
AP Calibre 4401
Power reserve
70 h
Complications
Chronograph, Date
Colour
Grey
Surface treatment
Satin-brushed and polished; grey ceramic bezel
Caseback
Titanium
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Grey rubber (interchangeable)
Crystal
Sapphire, AR coated
Display back
Yes
Dial
Slate grey Mega Tapisserie
Dial colours
Grey
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Hardness, Construction, Matching bracelet, Lume
Medium confidence Verified Jun 2026 Source: Audemars Piguet
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IO?

The Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IO has a titanium (grade undisclosed) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IO?

It is 43.0 mm in diameter, 14.4 mm thick, and water resistant to 100 m.

How much does the Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43mm 26420IO cost, and is it available?

It is current-production; the guide does not list a price for it.

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